1908078960 has 80 divisors (see below), whose sum is σ = 5945217696. Its totient is φ = 506225664.

The previous prime is 1908078901. The next prime is 1908078967. The reversal of 1908078960 is 698708091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1908078967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27102 + ... + 67458.

Almost surely, 2^1908078960 is an apocalyptic number.

1908078960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1908078960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2972608848).

1908078960 is an abundant number, since it is smaller than the sum of its proper divisors (4037138736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1908078960 is a wasteful number, since it uses less digits than its factorization.

1908078960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40570 (or 40564 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 1908078960 is about 43681.5631588431. The cubic root of 1908078960 is about 1240.3153377687.

The spelling of 1908078960 in words is "one billion, nine hundred eight million, seventy-eight thousand, nine hundred sixty".